Sunlight OPzS

A reliable backup power source, safeguarding the uninterrupted supply of energy and connectivity that our modern world needs.

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Sunlight OPzS - lead-acid battery series for energy storage systems

Excellent capacity performance

Exceeding DIN standards.

Optimum design

For increased robustness and durability.

Minimum maintenance

Reduced water topping up requirements & wide range of vent plugs with optional flame arrestor.

Sunlight OPzS range is an advanced lead-acid battery series for energy storage systems.

Sunlight OPzS

Sunlight OPzS batteries are characterized by low maintenance requirements, long service life and excellent capacity performance while operating at high temperatures or unstable power network, thus providing a premium, efficient and cost effective energy solution.

Optimum design, according to DIN international standards, exclusive use of high quality raw materials, robust construction and state of the art manufacturing processes make this OPzS range the ideal solution for stand-by applications requiring high level of safety and reliability.

Sunlight OPzS - lead-acid battery series for energy storage systems

Technical features

Positive Plates


Plate Alloy

Lead Low Antimony

Positive Active Mass

Red Lead made from 99.99% Pure Lead

Negative Active Mass

Inhouse Production of Lead Oxide


Transparent SAN




Highly Porous Leaf


Non Wooven

Bottom Bar

Ultrasonic Welding


Sliding Insulated Pole (M10)


Insulated Flexible Bolt-on


Plastic Headed Bolt

Airlift System


Design Life

up to 20 Years

Operating Temperature

-20 to 55 °C


Operation at high temperatures

Operational safety

Reliability and long service life

Fully recyclable product, circular economy enabler

Certified quality

  • DIN 40736-1

  • DIN 40737-3

  • IEC 62485-2

  • IEC 60896-11

  • UL 1989*

*cells equipped with ceramic plug, ceramic funnel plug and recombination plug

Product leaflet

Relevant industries